package com.spring.dao.impl;

import com.spring.dao.IAccountDao;
import com.spring.model.Account;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.stereotype.Repository;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
@Repository("accountDao")
public class AccountImpl implements IAccountDao {
    @Autowired//所有的操作注入jdbcTemplate
    private JdbcTemplate jdbcTemplate;
    @Override
    public int save(Account account){
        String sql="insert into account(uid, money) values(?, ?)";
        return jdbcTemplate.update(sql,account.getUid(),account.getMoney());
    }

    @Override
    public int update(Account account) {
        return 0;
    }

    @Override
    public int updateMoneyById(Integer id, Double money) {
        String sql="update account set money=? where id=?";
        return jdbcTemplate.update(sql,money,id);
    }

    @Override
    public Account findById(Integer id) {
        String sql="select * from account where id=?";
        return jdbcTemplate.queryForObject(sql,new AccountRowMapper(),id);
    }

    @Override
    public List<Account> findAll() {
        String sql="select * from account";
        return jdbcTemplate.query(sql,new AccountRowMapper());
    }
    public static class AccountRowMapper implements RowMapper<Account>{

        @Override
        public Account mapRow(ResultSet rs, int rowNum) throws SQLException {
            Account account = new Account();
            account.setId(rs.getInt("id"));
            account.setUid(rs.getInt("uid"));
            account.setMoney(rs.getDouble("money"));
            return account;
        }
    }
}
